*{
  padding: 0;
  margin: 0;
  list-style: none;
}
.container{
  width: 500px;
  margin: 0 auto;
}
.container .title{
  background-color: rgb(150,200,250);
  font-size: 18px;
  padding:5px 10px;
  margin-top: 10px;
  cursor: pointer;
  color: #fff;
  border-radius: 5px;
}
.container .list{
  overflow: hidden;
}
.container .list .option{
  
  font-size: 16px;
  margin-left: 30px;
  margin-top: 5px;
  padding: 5px;
  cursor: pointer;
  border-radius: 5px;
}
.container .list .option::after{
  content: "";
  display: block;
  margin-top: 3px;
  border-bottom: 1px solid lightblue;
}

